Description Graco throat seal liquid – 1 quart bottleTSL – or also known as throat seal liquid is a vital component and ingredient of a Graco king airless sprayer it is important that throat seal liquid is checked and topped up regularly so that the top packings of the Graco pump lower does not run dryPrevents paint drying on the displacement rod and packings – dried paint on a pump rod will quickly tear and abrade the packings and eventually begin to damage the piston rod. Extends component life. Check the pump throat and top up the liquid daily. Available as individual bottles or in carton quantities.
